Which statement best explains why it is sometimes challenging to perform a cost-benefit analysis or a cost-effectiveness analysis when it comes to
actions that involve the environment?
O A. People experience no benefits from protecting the environment,
only costs.
O B. Economics involves only manufactured products and not natural
resources.
O C. Environmental economics does not use the same tools as
traditional economics.
O D. Assigning a monetary value to some ecosystem services can be
difficult.